【摘要】 本文利用内标 导数红外光谱法测定家禽营养限制性氨基酸———甲硫氨基酸的含量 ,选择了合适的内标物CaSO4,并采用峰高、峰面积、一阶导数、二阶导数等方法 ,所得的标准曲线方程的相关系数在0 994～ 0 998范围之间 ,结果比较满意。更多还原

【Abstract】 With pressed kBr disk technique the methyl sulf amino acid——the nutritious restrictive amino acid of poultry was determined by internal standard derivative infrared spectroscopy.The suitalbe internal standard——CaSO 4 was selected,and peak height,peak area,first derivative and second derivative methods were used.In the determination,we selected undisturbed peak at 553 cm -1 as standard.The correlation coefficient of standard curve equation were in the range of 0 994—0 998.The result was satisfied.更多还原